CVE-2021-3774

High

Description

Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), on its 3.1.3 version and before, creates an open Wi-Fi Access Point without the required security measures in its initial setup. This could allow a remote attacker to obtain the Wi-Fi SSID as well as the password configured by the user from Meross app via Http/JSON plain request.

SeverityHigh
CVSS7.4
Exploit probability—
ProductMeross Mss550x Firmware
PublishedNov 5, 2021
First seenNov 5, 2021
Weakness typeCWE-319CWE-319

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
meross mss550x_firmwarev ≤ 3.1.3—

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CVE-2021-3774 · Meross Mss550x Firmware · Dark Radar